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Bullockia Maldonadoi ERSS Bullockia maldonadoi (a catfish, no common name) Ecological Risk Screening Summary U.S. Fish & Wildlife Service, April 2015 Revised, October 2017, November 2017 Web Version, 9/10/2018 Photo: Johannes Schoeffmann. Licensed under Creative Commons BY 3.0. Available: http://www.fishbase.se/photos/UploadedBy.php?autoctr=26304&win=uploaded. (October 16, 2017). 1 Native Range and Status in the United States Native Range From Froese and Pauly (2017): “South America: Chile.” 1 From Dyer (2000): “Bullockia maldonadoi Is another endemic taxon to the Chilean Province (ARRATIA et al.1978) […]” Status in the United States No records of Bullockia maldonadoi in the wild or in trade in the United States were found. Means of Introductions in the United States No records of Bullockia maldonadoi in the United States were found. Remarks No additional remarks. 2 Biology and Ecology Taxonomic Hierarchy and Taxonomic Standing According to Eschmeyer et al. (2017), Bullockia maldonadoi (Eigenmann 1920) is the valid name for this species. It was originally described as Hatcheria maldonadoi. From ITIS (2015): “Kingdom Animalia Subkingdom Bilateria Infrakingdom Deuterostomia Phylum Chordata Subphylum Vertebrata Infraphylum Gnathostomata Superclass Osteichthyes Class Actinopterygii Subclass Neopterygii Infraclass Teleostei Superorder Ostariophysi Order Siluriformes Family Trichomycteridae Subfamily Trichomycterinae Genus Bullockia Species Bullockia maldonadoi (Eigenmann, 1928)” Size, Weight, and Age Range From Froese and Pauly (2017): “Max length : 5.7 cm SL male/unsexed; [DoNascimiento et al. 2014]” 2 Environment From Froese and Pauly (2017): “Freshwater; demersal; pH range: 6.0 - 7.0; dH range: ? - 15. […]; 16°C - 26°C [assumed to be recommended aquarium temperature] [Baensch and Riehl 1991]” Climate/Range From Froese and Pauly (2017): “Subtropical; […]” Distribution Outside the United States Native From Froese and Pauly (2017): “South America: Chile.” From Dyer (2000): “Bullockia maldonadoi Is another endemic taxon to the Chilean Province (ARRATIA et al.1978) […]” Introduced No records of Bullockia maldonadoi introductions were found. Means of Introduction Outside the United States No records of Bullockia maldonadoi introductions were found. Short Description A description of Bullockia maldonadoi was not found. Biology From Link and Habit (2015): “Areas with sandy substrate. Juveniles inhabit in rivers with current velocity <0.09 m/s and adults <0.9 m/s [Arratia 1983; Scott et al. 2007; Penaluna et al. 2009]” “Benthic, insectivorous, nocturnal” Human Uses From Froese and Pauly (2017): “Fisheries: of no interest” 3 Diseases Information on pathogens of Bullockia maldonadoi was not found. Threat to Humans From Froese and Pauly (2017): “Harmless” 3 Impacts of Introductions No records of Bullockia maldonadoi introductions were found, therefore there is no information on impacts of introduction. 4 Global Distribution Figure 1. Known global distribution of Bullockia maldonadoi. Locations are all in Chile. Map from GBIF Secretariat (2017). 5 Distribution Within the United States No records of Bullockia maldonadoi in the United States were found. 4 6 Climate Matching Summary of Climate Matching Analysis The climate match for Bullockia maldonadoi was high along the Pacific Coast and low everywhere else. The Climate 6 score (Sanders et al. 2014; 16 climate variables; Euclidean distance) for the contiguous United States was 0.015, medium. Oregon and Washington had individually high climate scores, California had a medium individual climate score. All other states had low individual climate scores. Figure 2. RAMP (Sanders et al. 2014) source map showing weather stations in southern South America selected as source locations (red; Chile) and non-source locations (gray) for Bullockia maldonadoi climate matching. Source locations from GBIF Secretariat (2017). 5 Figure 3. Map of RAMP (Sanders et al. 2014) climate matches for Bullockia maldonadoi in the contiguous United States based on source locations reported by GBIF Secretariat (2017). 0 = Lowest match, 10 = Highest match. Counts of climate match scores are tabulated on the left. The High, Medium, and Low Climate match Categories are based on the following table: Climate 6: Proportion of Climate Match (Sum of Climate Scores 6-10) / (Sum of total Climate Scores) Category 0.000≤X≤0.005 Low 0.005<X<0.103 Medium ≥0.103 High 7 Certainty of Assessment The certainty of assessment is low. Very minimal information was available for Bullockia maldonadoi. No records of introductions were found. 6 8 Risk Assessment Summary of Risk to the Contiguous United States Bullockia maldonadoi is a species of catfish native to Chile. It is insectivorous and nocturnal. The history of invasiveness is uncertain. There were no records of introductions found, therefore there is no information on impacts of introduction. The climate match is medium; the Climate 6 score was 0.015. Oregon and Washington had high individual state climate scores. The certainty of assessment is low. Very minimal information was available for Bullockia maldonadoi. The overall risk assessment category is uncertain. Assessment Elements History of Invasiveness (Sec. 3): Uncertain Climate Match (Sec. 6): Medium Certainty of Assessment (Sec. 7): Low Remarks/Important additional information No additional remarks. Overall Risk Assessment Category: Uncertain 9 References Note: The following references were accessed for this ERSS. References cited within quoted text but not accessed are included below in Section 10. Dyer, B. S. 2000. Systematic review and biogeography of the freshwater fishes of Chile [Revision sistematica y biogeografica de los peces dulceacuicolas de Chile]. Estudios Oceanologicos 19:77–98. Eschmeyer, W. N., R. Fricke, and R. van der Laan, editors. 2017. Catalog of fishes: genera, species, references. Available: http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp. (October 2017). Froese, R., and D. Pauly, editors. 2017. Bullockia maldonadoi (Eigenmann, 1920). FishBase. Available: http://www.fishbase.org/summary/Bullockia-maldonadoi.html. (October 2017). GBIF Secretariat. 2017. GBIF backbone taxonomy: Bullockia maldonadoi (Eigenmann, 1920). Global Biodiversity Information Facility, Copenhagen. Available: https://www.gbif.org/species/5202893. (October 2017). ITIS (Integrated Taxonomic Information System). 2015. Bullockia maldonadoi (Eigenmann, 1920). Integrated Taxonomic Information System, Reston, Virginia. Available: http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=6820 98. (April 2015). 7 Link, O., and E. Habit. 2015. Requirements and boundary conditions for fish passes of non-sport fish species based on Chilean experiences. Reviews in Environmental Science and Bio/Technology 14:9–21. Sanders, S., C. Castiglione, and M. Hoff. 2014. Risk assessment mapping program: RAMP. U.S. Fish and Wildlife Service. 10 References Quoted But Not Accessed Note: The following references are cited within quoted text within this ERSS, but were not accessed for its preparation. They are included here to provide the reader with more information. Arratia, G. 1983. Preferencia de ha´bitat de peces siluriformes de aguas continentals de Chile (Fam. Diplomystidae y Trichomycteridae). Stud Neotrop Fauna Environ 18(4):217–237. Arratia, G., A. G. Chang, S. Menu-Marque, and G. M. Rojas. 1978. About Bullockia gen. nov., Trichomycterus mendozensis n. sp. and revision of the family Trichomycteridae (Pisces, Siluriformes). Studies on Neotropical Fauna and Environment 13(3-4):157–194. Baensch, H. A., and R. Riehl. 1991. Aquarien atlas. Bd. 3. Melle: Mergus, Verlag für Natur-und Heimtierkunde, Germany. DoNascimiento, C., S. Prada-Pedreros, and J. Guerrero-Kommritz. 2014. A new catfish species of the genus Trichomycterus (Siluriformes: Trichomycteridae) from the río Orinoco versant of Páramo de Cruz Verde, Eastern Cordillera of Colombia. Neotropical Ichthyology 12(4):717–728. Eigenmann, C. H. 1920. On a new species of Hatcheria and a new species of Pygidium. Revista Chilena de Historia Natural (Santiago) 23:53–54. Eigenmann, C. H. 1928. The fresh-water fishes of Chile. Memoirs of the National Academy of Sciences 22(2):1–63. Penaluna, B., I. Arismendi, and D. Soto. 2009 Evidence of interactive segregation between introduced trout and native fishes in Northern Patagonia Rivers, Chile. Transactions of the American Fisheries Society 138:839–845. Scott, S., R. Pardo, and I. Vila. 2007. Trophic niche overlap between two Chilean endemic species of Trichomycterus (Teleostei: siluriformes). Revista Chilena de historia Natural 80:431–437. 8 .
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